Rosetta comet landing – live stream
rosetta.esa.int
rosetta.esa.int
1. Comet is warmer than expected, estimating presence of dust.
2. Comet has Ammonia based gases in atmosphere and Magnesium in the soil. There is water in small amounts.
3. The gravity is one ten thousandth of that of earth.
4. NASA has a few instrument mounted on Rosetta. The microwave instruments, plasma instruments and Electron analyzer.
5. The landing site has clearly been identified. Rosetta will send 5 high-res images every hour. There were some minor hiccups last night.
6. Many high profile science experiments will be conducted during the first 48 hours after landing. This will be followed by the long term experiments whose results will take time.
7. Rosetta has executed a successful separation phase. The team is ecstatic :)
8. Team has lost contact with the lander, but the spokesman said this was expected and the contact will soon be reestablished.
9. It will be few hours before some new updates.
EDIT: First lander data expected in about 2 hours from now.
Which instruments are mounted on Philae?
http://en.wikipedia.org/wiki/Philae_(spacecraft)#Instruments
You misspelled ESA ;)
(Unless this was sarcasm)
http://www.forbes.com/sites/lorenthompson/2014/06/27/iraq-op...
4. A sizable colony on Mars . I got the idea for this commentary from the space section of the wildly popular Reddit web-site. Astrophysicist Neil deGrasse Tyson posed the question of what could be achieved if all the money spent on wars was instead given to NASA. The resulting exchange was pretty fanciful, but one of the options mentioned might make sense — building a colony on Mars. Mars is the only other truly Earth-like planet in the known universe, it has water and it is reachable. SpaceX founder Elon Musk has claimed that a colony of 80,000 could be established for $36 billion. He tends to hyperbole, so let’s say he is off by an order of magnitude (1000%). We could still create a sizable colony for a fraction of what was spent in Iraq, providing a sanctuary from Earth’s next asteroid hit.
It motivates people, companies, and countries.
Go back a few frames and notice that Randall's counter was in synch until T-50min when it suddenly rose to 75min.
Please don't take it as a slur against this harmless site. It just... surprised me.
http://blogs.esa.int/rosetta/2014/11/12/rosetta-and-philae-g...
This is so hilarious. For up to the minute information, it's a toss-up between the European Space Agency's live stream on the probe it's landing on a comet, and... a hand-drawn web comic about it.
When humanity landed on Titan (which is a mind boggling achievement), the pictures couldn't be shown right away because they had to have some politician talking some platitudes first.
NASA does it infinitely better.
I actually liked that they interviewed the actual people who had done stuff with it. I just wished there was a bit more context graphics.
http://www.planetary.org/blogs/emily-lakdawalla/2014/1111232...
Still has two harpoons and ice screws!
Like they said, here's hoping that it doesn't land on a boulder or a slope.
And if they are, so what? Does this all need to be Super High Serious stuff?
http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/20...
As for violence, I assume you’re talking about the comet’s tail? This happens when comets approach their perihelion and the sun heats them up. The heat starts a process of outgassing from the comet which the solar wind blows away (the tail of a comet always points away from the sun). Rosetta’s target isn’t close enough to the sun at the moment for this to be problematic.
Consequently, its velocity, even near perihelion, is not that high, and matching orbits with it is, while not trivial, not hopelessly hard either. That said, Rosetta did spend 10 years in space and needed multiple gravity assist maneuvers in order to finally rendezvous with the comet. Still, the circuitous route was more about fuel economy than any fundamental difficulty with reaching its destination.
Matching the rotation of the comet is harder, but again it's just a rotation - the comet is not in a position where it's outgassing, so it'll be rotating about some axis with some angular velocity. Once once you're orbiting the comet you can take your time, or even just schedule the descent for a time when things happen to line up. They planned this one a few days ago AIUI.
You'll develop an intuitive grasp of this kind of thing.
They're not expecting any data till 1400 or so, and then they'll gradually get some descent data back, but whatever happens, they won't be able to affect the outcome of the descent now. Before the data comes in was probably a good time to get some rest/food.
I didn't know about the streaming problem with Flash on Linux. That would explain some past problems I've had with other websites.
$ livestreamer "http://new.livestream.com/accounts/362/events/3544091" bestFor Ubuntu one needs to install the GetDebs PPA:
http://www.ubuntuupdates.org/ppa/getdeb_apps?dist=trusty
or build from source
Yes you won't get shiny apt-get upgrade powers. But it does install apps like this one directly on pretty much any linux distro.
Where is Rosetta http://sci.esa.int/where_is_rosetta/
I'm watching this with pop music in the background, and it's way less tense...